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Preliminary Multi-lingual Evaluation of a Question Answering System Based on the Node of Knowledge Method

  • Sanja CandrlicEmail author
  • Martina Asenbrener Katic
  • Alen Jakupovic
Conference paper
Part of the Lecture Notes in Networks and Systems book series (LNNS, volume 69)

Abstract

The Node of Knowledge (NOK) method is a method for knowledge representation. It is used as a basis for development of formalism for textual knowledge representation (FNOK). FNOK was used for development of a Question Answering (QA) System whose research results are presented in this paper. The QA system is based on storing text in relational databases without losing semantics and it is implemented in Oracle. In this paper, we present the results of preliminary evaluation of the QA system for its independency on the language used. The system was tested using the same set of sentences and questions translated in English, German, Italian and Croatian language. Knowledge in the system was based on 26 simple sentences. 44 questions were set, and the system offered 62 answers for each language (some questions had more than one answer). Research results have shown that this QA system can be used for any of the four languages without the need to change functions and algorithms. It is only necessary to set the dictionary data for each language, implement synonyms and recognize different word forms.

Keywords

Question answering (QA) system Node of knowledge (NOK) Language 

Notes

Acknowledgment

The research has been conducted under the projects “Extending the information system development methodology with artificial intelligence methods” (reference number 13.13.1.2.01.) and “Development of a QA system on a relational database” (reference number 17.14.2.2.03) supported by University of Rijeka (Croatia).

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Sanja Candrlic
    • 1
    Email author
  • Martina Asenbrener Katic
    • 1
  • Alen Jakupovic
    • 2
  1. 1.Department of InformaticsUniversity of RijekaRijekaCroatia
  2. 2.Polytechnic of RijekaRijekaCroatia

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